R K Bansal Solutions for Chapter: H.C.F. and L.C.M., Exercise 2: EXERCISE

Find the L.C.M of following numbers, using (i) Prime factor method and (ii) Common division method.

Find the L.C.M of following numbers, using (i) Prime factor method and (ii) Common division method.

Find the L.C.M of each of the following groups of numbers, using (i) prime factorization method and (ii) the common division method.

$14, 21$ and $98$

Find the L.C.M of each of the following groups of numbers, using (I) prime factorization method and (ii) the common division method.

$22, 121$ and $33$

Find the L.C.M of each of the following groups of numbers, using (I) prime factorization method and (ii) the common division method.

$34, 85$ and $51$

Find the smallest number which, when divided by $12, 15, 18, 24$ and $36$ leaves no remainder.

Find the smallest number which, when increased by one is exactly divisible by $12,18, 24, 32$ and $40$.

Find the smallest number which, on being decreased by $3$ is completely divisible by $18, 36, 32$ and $27$.